Elon Musk started digging a tunnel under SpaceX's headquarters in LA after complaining about traffic.

The billionaire has announced his latest company – the Boring Company – wants to build a series of lifts and tunnels under the city.

Electric platforms will use the tunnels to transport cars on electric 'skates' – capable of travelling over 200-kilometres-per-hour. Cars will enter and leave the tunnels in a space as small as two parking spots.